photoexcitation

P3H4O1T1O1E1X8C3I1T1A1T1I1O1N1

noun

The formation of an excited state by the absorption of a photon.

OriginEnglish excitation ← Ancient Greek φωτο- (phōto-) ← Proto-Hellenic *pʰáwos →
RareScrabble 29
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Meanings

nounphotoexcitation (countable and uncountable, plural photoexcitations)

plural photoexcitations

  1. countableuncountablechemistryThe formation of an excited state by the absorption of a photon.

Origin

  1. Proto-Indo-European*bʰeh₂-
  2. Proto-Indo-European*bʰéh₂os
  3. Proto-Hellenic*pʰáwos
  4. Ancient Greekφᾰ́ος (phắos)
  5. Ancient Greekφῶς (phôs)
  6. Ancient Greekφωτο- (phōto-)
  7. Englishphoto-
  8. Englishexcitation
  9. Englishphotoexcitation

From photo- + excitation.

Full word history & related roots →
Cite this entry
APA

photoexcitation. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/photoexcitation

MLA

“photoexcitation.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/photoexcitation. Accessed November 5, 2026.

Chicago

WatkinsX Dictionary, s.v. “photoexcitation,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/photoexcitation.

Source: photoexcitation on Wiktionary, CC BY-SA 4.0.